From 57ec5583966c5c1f7288b083c5385b60520c939b Mon Sep 17 00:00:00 2001
From: Felix Geyer <debfx@fobos.de>
Date: Sun, 31 Jul 2016 15:36:29 +0200
Subject: [PATCH] Detect image format solely on content.

Otherwise reading fails if the file extension is wrong.

Closes #512
---
 src/gui/EditWidgetIcons.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/gui/EditWidgetIcons.cpp b/src/gui/EditWidgetIcons.cpp
index d8dc04f65..6bca81c38 100644
--- a/src/gui/EditWidgetIcons.cpp
+++ b/src/gui/EditWidgetIcons.cpp
@@ -131,6 +131,8 @@ void EditWidgetIcons::addCustomIcon()
                     this, tr("Select Image"), "", filter);
         if (!filename.isEmpty()) {
             QImageReader imageReader(filename);
+            // detect from content, otherwise reading fails if file extension is wrong
+            imageReader.setDecideFormatFromContent(true);
             QImage image = imageReader.read();
             if (!image.isNull()) {
                 Uuid uuid = Uuid::random();